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a few checks against bad data

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This commit is contained in:
David Rose 2011-12-29 22:23:14 +00:00
parent b5eeced04a
commit 1c9395b311
2 changed files with 9 additions and 3 deletions
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1
panda/src/grutil/pfmFile.I
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@ -109,6 +109,7 @@ get_point(int x, int y) const {
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
INLINE void PfmFile:: INLINE void PfmFile::
set_point(int x, int y, const LVecBase3 &point) { set_point(int x, int y, const LVecBase3 &point) {
nassertv(!point.is_nan());
nassertv(x >= 0 && x < _x_size); nassertv(x >= 0 && x < _x_size);
nassertv(y >= 0 && y < _y_size); nassertv(y >= 0 && y < _y_size);
_table[y * _x_size + x] = point; _table[y * _x_size + x] = point;

5
panda/src/grutil/pfmFile.cxx
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@ -208,8 +208,10 @@ read(istream &in) {
LittleEndian value(&data, sizeof(data)); LittleEndian value(&data, sizeof(data));
PN_float32 result; PN_float32 result;
value.store_value(&result, sizeof(result)); value.store_value(&result, sizeof(result));
if (!cnan(result)) {
point[ci] = result; point[ci] = result;
} }
}
_table.push_back(point); _table.push_back(point);
} }
} else { } else {
@ -221,8 +223,10 @@ read(istream &in) {
BigEndian value(&data, sizeof(data)); BigEndian value(&data, sizeof(data));
PN_float32 result; PN_float32 result;
value.store_value(&result, sizeof(result)); value.store_value(&result, sizeof(result));
if (!cnan(result)) {
point[ci] = result; point[ci] = result;
} }
}
_table.push_back(point); _table.push_back(point);
} }
} }
@ -879,6 +883,7 @@ make_vis_mesh_geom(GeomNode *gnode, bool inverted) const {
n[2] += v0[0] * v1[1] - v0[1] * v1[0]; n[2] += v0[0] * v1[1] - v0[1] * v1[0];
} }
n.normalize(); n.normalize();
nassertv(!n.is_nan());
if (inverted) { if (inverted) {
n = -n; n = -n;
} }